Posted by diane on .
need help with math 117 week 4 checkpoint

math 
Ms. Sue,
If you post one or two of the questions and your answers, we'll be glad to check them for you.

math 
st,
1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=6,000/2002x
a. What is the cost to remove 75% of the pollutant?
Answer: $120 million dollars
b. What is the cost to remove 90% of the pollutant?
Answer: $300 millions dollars
c. What is the cost to remove 99% of the pollutant?
Answer: $3 million dollars
d. For what value is this equation undefined?
e. Do the answers to sections a. through d. match your expectations? Explain why or why not.